Home / 25,295.43-34,910.42-15,867.03

Finding the Fourth Proportional to 25,295.43, 34,910.42 and 15,867.03

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Solution

The fourth proportional to 25,295.43, 34,910.42 and 15,867.03 is: 21,898.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,295.43 : 34,910.42 = 15,867.03 : x
  2. Step 2: Convert to fraction form
    25,295.43/34,910.42 = 15,867.03/x
  3. Step 3: Cross multiply
    25,295.43x = 34,910.42 × 15,867.03
  4. Step 4: Simplify right side
    25,295.43x = 553,924,602.12
  5. Step 5: Solve for x
    x = 553,924,602.12/25,295.43
  6. Step 6: Final answer
    x = 21,898.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.